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September 15th, 2026

Morning weather forecast for September 15, 2026

Latest model trends have increasing moisture across the state for the next 2-3 days. This will lead to thunderstorm activity across eastern and southeastern Utah each afternoon, with 20-30% t-storm chances showing up along the Wasatch Front Wednesday and Thursday. In the wake of these slight rain chances we'll see a subtle cool-down into the late week. Right now the weekend looks dry. - Matt Johnson, KSL Weather 9.15.26